Greek Tax Number AFM (ΑΦΜ) Validator
Validate the authenticity, format, and checksum of Greek Tax Number AFM (ΑΦΜ).
About Greek Tax Number AFM (ΑΦΜ) Validation
The AFM (Tax Identification Number) is the 9-digit fiscal identifier assigned to individuals and companies by the Greek Tax Authority.
Consists of 9 digits, where the first 8 are weighted by descending powers of 2 (256, 128, 64, 32, 16, 8, 4, 2) and verified by (Sum % 11) % 10.